CN205805733U - A kind of cooling and lubricating device of turbojet engine bearing arrangement - Google Patents
A kind of cooling and lubricating device of turbojet engine bearing arrangement Download PDFInfo
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- CN205805733U CN205805733U CN201620712577.XU CN201620712577U CN205805733U CN 205805733 U CN205805733 U CN 205805733U CN 201620712577 U CN201620712577 U CN 201620712577U CN 205805733 U CN205805733 U CN 205805733U
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Abstract
nullThis utility model relates to engine shaft bearing lubricating device technical field，Particularly relate to the cooling and lubricating device of a kind of turbojet engine bearing arrangement，Including oil inlet pipe、Divide font、Bearing block body、Petroleum pipeline、Oil storage chamber、Flowline、Oil distributing pipe、Fuel injection needle，The end face dividing font coordinates with the end face of bearing block body，Font is divided to be provided with oil inlet end and oil outlet end，Oil inlet end is provided with oil-through hole at oil-in and three，Oil-in connects with oil inlet pipe，This oilhole connects with bearing mounting hole，This oil-through hole is connected with the fuel feed hole of petroleum pipeline，The oil outlet of petroleum pipeline connects with the oil-through hole of bearing block body，This oil-through hole connects with the oil storage chamber of bearing block body，Oil storage chamber is provided with oil-out at，Oil-out connects with the entrance of flowline，Oil distributing pipe is provided with fuel injection needle，Fuel oil is utilized to realize the cooling and lubricating to bearing arrangement，Need not individually set up fuel tank and oil supply system，Save installing space，Simplify structure.
Description
Technical field
This utility model relates to engine shaft bearing lubricating device technical field, particularly relates to a kind of turbojet engine bearing system
The cooling and lubricating device of system.
Background technology
Micro Turbine Jet Engine is the power set of a kind of high-energy-density, as minute vehicle key technology it
One, at home and abroad it is obtained for and payes attention to widely and development energetically.In recent years, minute vehicle has in terms of military and civilian
Have broad application prospects, the most day by day cause the concern of people.Military aspect, minute vehicle is used for carrying out low latitude military affairs to be detectd
Examine, monitor, battlefield damage assessment etc.；And at civilian aspect, minute vehicle can be also used for traffic monitoring, border patrol, gloomy
Woods and wild animals and plants exploration, aeroplane photography, transmission line of electricity inspection, environment measuring, weather monitoring, forest fire protection monitoring etc..Micro-
Type turbojet engine use rolling bearing be operated under high temperature, high-speed condition, especially turbine end bearing operating temperatures up to
600K, is susceptible to raceway shallow-layer metal fatigue under high temperature, high contact stress effect and comes off or the damage of the form such as ablation of metals
Bad, traditional turbojet engine is not equipped with special cooling system, and the stability of electromotor work is produced the most not by this
Profit impact, it addition, during turbojet engine work, a lot of driving parts are all to do high speed relative motion under the least gap, to the greatest extent
Manage the working surface of these parts all through fine processing, but from the point of view of amplifying, these surfaces are rough, if the most right
These surfaces are lubricated, and strong dry friction will occur between them, and the dry friction between metal surface not only increases and sends out
The power consumption of motivation, accelerates the abrasion on part time job surface, but also is likely to be due to fricative heat by part time job table
Face burns out, and causes electromotor to work.The function of lubricating system is exactly continuously quantity foot when electromotor works
The clean lubricating oil enough, temperature is suitable is transported to the friction surface of whole driving member, and forms oil film between friction surface, real
Existing fluid friction, thus reduce frictional resistance, reduce power consumption, alleviate component wear, so that reach to improve electromotor work can
By property and the purpose of durability.Traditional turbojet engine bearing lubrication great majority are the outside adapteds being used in turbojet engine
One special lubricating system or grease-box, so that the lubrication of traditional turbojet engine bearing is guaranteed, this structure, make
Turbojet engine machine volume increases, and uses extremely inconvenience.
Utility model content
The technical problems to be solved in the utility model is: special in order to solve the existing outside adapted one at turbojet engine
Lubricating system or grease-box be lubricated, cause turbojet engine machine volume to increase, awkward problem, this reality
With the cooling and lubricating device of novel offer a kind of turbojet engine bearing arrangement, utilize the fuel oil bearing arrangement to turbojet engine
It is lubricated and cools down.
This utility model solves its technical problem and be the technical scheme is that the cold of a kind of turbojet engine bearing arrangement
But lubricating arrangement, including oil inlet pipe, point font, bearing block body, petroleum pipeline, oil storage chamber, flowline, oil distributing pipe, fuel injection needle, point
The end face of font coordinates with the end face of bearing block body, and a point font is provided with oil inlet end and oil outlet end, and oil inlet end is provided with oil-in 2a
With three at oil-through hole 2b, 2c, 2d, oil-in 2a and oil-through hole 2b is through, and oil-in 2a connects with oil inlet pipe, the oil-feed of point font
Mouth 2a connects with the oilhole 3a of bearing block body, and this oilhole 3a connects with bearing mounting hole, the oil inlet end of point font
Another at oil-through hole 2b connect with the oil-through hole 3b of bearing block body, this oil-through hole 3b is connected with the fuel feed hole 4a of petroleum pipeline,
The oil outlet 4b of petroleum pipeline connects with the oil-through hole 3c of bearing block body, this oil-through hole 3c and the store oil being arranged at bearing block body
Chamber connects, and oil storage chamber is provided with oil-out 3d at, oil-out 3d and connects with the entrance 7a of flowline, the outlet 7b of flowline and axle
Oil-through hole 3e connection on bearing body, oil-through hole 3e connects with the oil-through hole 2c of oil outlet end on point font, oil-through hole 2c and mistake
Oilhole 2d is through, and oil-through hole 2d connects with oil distributing pipe, and oil distributing pipe is provided with fuel injection needle.
Further, it is provided with eight fuel injection needles including oil distributing pipe.
Further, it is provided with axle sleeve including bearing block body periphery, and bearing block body and axle sleeve cooperatively form cavity i.e.
For oil storage chamber.
Further, the material including bearing block body is aluminium alloy.
Further, the material including axle sleeve is 42CrMo.
Further, it is interference fit including bearing block body and axle sleeve.
Further, connect by screw is fixing including point font and bearing block body.
The beneficial effects of the utility model are,
(1) by chiller, bearing arrangement is cooled down, reduce the operating temperature of turbine end bearing, improve and send out
The stability of motivation work and reliability；
(2) utilize this cooling system bearing to be lubricated simultaneously, improve motility and the life-span of bearing working；
(3) utilize fuel oil to realize the cooling and lubricating to bearing arrangement, it is not necessary to individually to set up fuel tank and oil supply system, save
Installing space, simplifies structure.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is profile of the present utility model.
Fig. 3 is exploded view of the present utility model.
Fig. 4 is the assembling figure of bearing block main body of the present utility model and axle sleeve.
Fig. 5 is the left side partial enlarged drawing of profile of the present utility model.
Fig. 6 is the right side partial enlarged drawing of profile of the present utility model.
In figure 1, oil inlet pipe, 2, point font, 3, bearing block body, 4, petroleum pipeline, 5, oil storage chamber, 6, axle sleeve, 7, flowline,
8, oil distributing pipe, 9, fuel injection needle.
Detailed description of the invention
Presently in connection with accompanying drawing, this utility model is described in further detail.These accompanying drawings are the schematic diagram of simplification,
Basic structure of the present utility model is described the most in a schematic way, and therefore it only shows the composition relevant with this utility model.
As shown in Fig. 1,2,3,4,5,6, the cooling and lubricating device of this utility model a kind of turbojet engine bearing arrangement, bag
Include oil inlet pipe 1, divide font 2, bearing block body 3, petroleum pipeline 4, oil storage chamber 5, flowline 7, oil distributing pipe 8, fuel injection needle 9, described point
The end face of font 2 coordinates with the end face of bearing block body 3, and described point of font 2 is provided with oil inlet end and oil outlet end, oil inlet end be provided with into
Oil-through hole 2b, 2c, 2d at hydraulic fluid port 2a and three, oil-in 2a and oil-through hole 2b are through, and oil-in 2a connects with oil inlet pipe 1, described
The fuel feed hole 2a dividing font 2 connects with the oilhole 3a of bearing block body 3, and this oilhole 3a connects with bearing mounting hole,
The oil-in 2a of described point of font 2 connects with the oil-through hole 3b being arranged at bearing block body 3, this oil-through hole 3b and petroleum pipeline 4
Fuel feed hole 4a connects, and the oil outlet 4b of petroleum pipeline 4 connects with the oil-through hole 3c of bearing block body 3, this oil-through hole 3c and bearing block
The oil storage chamber 5 of body 3 connects, and described oil storage chamber 5 is provided with oil-out 3d at, oil-out 3d and connects with the entrance 7a of flowline 7,
The outlet 7b of flowline 7 connects with the oil-through hole 3e on bearing block body 3, and on oil-through hole 3e and point font 2, oil outlet end is the most oily
Hole 2c connects, and oil-through hole 2c is through with oil-through hole 2d, and oil-through hole 2d connects with oil distributing pipe 8, and described oil distributing pipe 8 is provided with eight sprays
Spindle 9, bearing block body 3 inner chamber is provided with axle sleeve 6, and bearing block body 3 and axle sleeve 6 cooperatively form cavity and be oil storage chamber 5, axle
The material of bearing body 3 is aluminium alloy, and the material of axle sleeve 6 is 42CrMo, and bearing block body 3 and axle sleeve 6 are interference fit.Divide oil
Seat 2 and bearing block body 3 connect by screw is fixing.
Dividing font 2 to include oilhole 2a, 2b, 2c, 2d, oilhole 2a with 2b is through, 2c with 2d is through, and bearing block body 3 includes
Oilhole 3a, 3b, 3c, 3d, 3e, oil inlet pipe 1 connects with oilhole 2a, and oilhole 2a connects with oilhole 3a, oilhole 3a and bearing block body 3
Bearing mounting hole connection, oilhole 2a is through with oilhole 2b, and oilhole 2b connects with oilhole 3b, oilhole 3b and petroleum pipeline 4 one end 4a
Connection, petroleum pipeline 4 other end 4b connects with oilhole 3c, and oilhole 3c connects with oil storage chamber 5, and oil storage chamber 5 is provided with outlet 3d, oilhole 3d
Connecting with one end 7a of flowline 7, the other end 7b of flowline 7 connects with oilhole 3e, and oilhole 3e connects with oilhole 2c, oilhole 2c
Through with oilhole 2d, oilhole 2d connects with oil distributing pipe 8, and oil distributing pipe 8 is provided with fuel injection needle 9 at eight.Fuel oil passes through oil inlet pipe 1, stream
Through oilhole 2a, 3a, reach bearing arrangement, bearing arrangement is lubricated；Fuel oil pass through oil inlet pipe 1, flow through oilhole 2a, 2b, 3b,
Oil connection 4a, petroleum pipeline 4, oil connection 4b, oilhole 3c, oil storage chamber 5, oilhole 3d, oil connection 7a, flowline 7, oil pipe connect
Head 7b, oilhole 3e, oilhole 2c, oilhole 2d, oil distributing pipe 8, reach fuel injection needle 9, fuel oil is sprayed onto in evaporation tube through fuel injection needle 9 and fires
Burning, utilize the fuel oil of room temperature, flow through the outside of bearing arrangement, and cool down bearing arrangement, fuel oil finally arrives combustor,
Burn, it is not necessary to design individually cooling, lubricating system, cost-effective, improve equipment work efficiency.
As it is shown on figure 3, it is that at 6, relative circumferential is uniform that a point font 2 is provided with endoporus 2f, end face 2e, unthreaded hole 2g, unthreaded hole 2g, axle
Bearing body is provided with step 3g, end face 3h, screwed hole 3f, and screwed hole is that at 6, relative circumferential is uniform, the unthreaded hole 2g on point font 2
The diameter big 0.5mm of diameter than bearing block body 3 upper screwed hole 3f, the endoporus 2f on point font 2 with on bearing block body 3
Step 3g coordinates, the end face 2e on point font 2 and the end face 3h laminating on bearing block body 3, point font 2 and bearing block body 3
Being connected by screw, screw is by the unthreaded hole 2g on point font 2, and screw thread is connected with the screwed hole 3f on bearing block body 3.Such as figure
Shown in 4, bearing block body 3 is provided with hole 3k, 3m, end face 3j, and axle sleeve 6 is provided with step 6a, 6c, end face 6b, bearing block body 3
On hole 3k coordinate with the step 6a on axle sleeve 6, the hole 3m on bearing block body 3 coordinates with the step 6c on axle sleeve 6, bearing block
End face 3j on body 3 and the end face 6b laminating on axle sleeve 6, complete assembling.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, related work people
Member can carry out various change and amendment completely in the range of without departing from this utility model technological thought.This reality
The content being not limited in description by novel technical scope, it is necessary to determine its technology according to right
Property scope.
Claims (7)
1. a cooling and lubricating device for turbojet engine bearing arrangement, is characterized in that, including oil inlet pipe (1), point font (2),
Bearing block body (3), petroleum pipeline (4), oil storage chamber (5), flowline (7), oil distributing pipe (8), fuel injection needle (9), described point of font (2)
End face coordinate with the end face of bearing block body (3), described point of font (2) is provided with oil inlet end and oil outlet end, oil inlet end be provided with into
Oil-through hole 2b, 2c, 2d at hydraulic fluid port 2a and three, oil-in 2a and oil-through hole 2b are through, and oil-in 2a connects with oil inlet pipe (1), institute
The oilhole 3a of the oil-in 2a and bearing block body (3) that state a point font (2) connects, this oilhole 3a be arranged at bearing
Seat body (3) bearing mounting hole connection, at another of the oil inlet end of described point of font (2) oil-through hole 2b be arranged at bearing block
The oil-through hole 3b connection of body (3), this oil-through hole 3b is connected with the fuel feed hole 4a of petroleum pipeline (4), the oil outlet 4b of petroleum pipeline (4)
Connecting with the oil-through hole 3c of bearing block body (3), this oil-through hole 3c connects with the oil storage chamber (5) being arranged at bearing block body (3),
Described oil storage chamber (5) is provided with oil-out 3d at, oil-out 3d and connects with the entrance 7a of flowline (7), the outlet of flowline (7)
7b connects with the oil-through hole 3e on bearing block body (3), and the oil-through hole 2c of oil-through hole 3e oil outlet end upper with point font (2) connects,
Oil-through hole 2c is through with oil-through hole 2d, and oil-through hole 2d connects with oil distributing pipe (8), and described oil distributing pipe (8) is provided with fuel injection needle (9).
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 1, is characterized in that, described point
Oil pipe (8) is provided with eight fuel injection needles (9).
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 1, is characterized in that, described axle
Bearing body (3) inner chamber is provided with axle sleeve (6), and bearing block body (3) and axle sleeve (6) cooperatively form cavity and be oil storage chamber (5).
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 1, is characterized in that, described axle
The material of bearing body (3) is aluminium alloy.
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 3, is characterized in that, described axle
The material of set (6) is 42CrMo.
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 3, is characterized in that, described axle
Bearing body (3) and axle sleeve (6) are interference fit.
The cooling and lubricating device of a kind of turbojet engine bearing arrangement the most according to claim 1, is characterized in that, described point
Font (2) and bearing block body (3) connect by screw is fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712577.XU CN205805733U (en) | 2016-07-07 | 2016-07-07 | A kind of cooling and lubricating device of turbojet engine bearing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712577.XU CN205805733U (en) | 2016-07-07 | 2016-07-07 | A kind of cooling and lubricating device of turbojet engine bearing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205805733U true CN205805733U (en) | 2016-12-14 |
Family
ID=58140688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620712577.XU Active CN205805733U (en) | 2016-07-07 | 2016-07-07 | A kind of cooling and lubricating device of turbojet engine bearing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205805733U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014642A (en) * | 2016-07-07 | 2016-10-12 | 常州环能涡轮动力股份有限公司 | Cooling and lubricating device of turbojet engine bearing system |
| CN113236428A (en) * | 2021-07-09 | 2021-08-10 | 清航空天(北京)科技有限公司 | Turbojet engine |
-
2016
- 2016-07-07 CN CN201620712577.XU patent/CN205805733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014642A (en) * | 2016-07-07 | 2016-10-12 | 常州环能涡轮动力股份有限公司 | Cooling and lubricating device of turbojet engine bearing system |
| CN113236428A (en) * | 2021-07-09 | 2021-08-10 | 清航空天(北京)科技有限公司 | Turbojet engine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |